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package msg
import "testing"
func TestSplit255(t *testing.T) {
xs := split255("abc")
if len(xs) != 1 && xs[0] != "abc" {
t.Errorf("Failure to split abc")
}
s := ""
for i := 0; i < 255; i++ {
s += "a"
}
xs = split255(s)
if len(xs) != 1 && xs[0] != s {
t.Errorf("Failure to split 255 char long string")
}
s += "b"
xs = split255(s)
if len(xs) != 2 || xs[1] != "b" {
t.Errorf("Failure to split 256 char long string: %d", len(xs))
}
for i := 0; i < 255; i++ {
s += "a"
}
xs = split255(s)
if len(xs) != 3 || xs[2] != "a" {
t.Errorf("Failure to split 510 char long string: %d", len(xs))
}
}
func TestGroup(t *testing.T) {
// Key are in the wrong order, but for this test it does not matter.
sx := Group(
[]Service{
{Host: "127.0.0.1", Group: "g1", Key: "b/sub/dom1/skydns/test"},
{Host: "127.0.0.2", Group: "g2", Key: "a/dom1/skydns/test"},
},
)
// Expecting to return the shortest key with a Group attribute.
if len(sx) != 1 {
t.Fatalf("Failure to group zeroth set: %v", sx)
}
if sx[0].Key != "a/dom1/skydns/test" {
t.Fatalf("Failure to group zeroth set: %v, wrong Key", sx)
}
// Groups disagree, so we will not do anything.
sx = Group(
[]Service{
{Host: "server1", Group: "g1", Key: "region1/skydns/test"},
{Host: "server2", Group: "g2", Key: "region1/skydns/test"},
},
)
if len(sx) != 2 {
t.Fatalf("Failure to group first set: %v", sx)
}
// Group is g1, include only the top-level one.
sx = Group(
[]Service{
{Host: "server1", Group: "g1", Key: "a/dom/region1/skydns/test"},
{Host: "server2", Group: "g2", Key: "a/subdom/dom/region1/skydns/test"},
},
)
if len(sx) != 1 {
t.Fatalf("Failure to group second set: %v", sx)
}
// Groupless services must be included.
sx = Group(
[]Service{
{Host: "server1", Group: "g1", Key: "a/dom/region1/skydns/test"},
{Host: "server2", Group: "g2", Key: "a/subdom/dom/region1/skydns/test"},
{Host: "server2", Group: "", Key: "b/subdom/dom/region1/skydns/test"},
},
)
if len(sx) != 2 {
t.Fatalf("Failure to group third set: %v", sx)
}
// Empty group on the highest level: include that one also.
sx = Group(
[]Service{
{Host: "server1", Group: "g1", Key: "a/dom/region1/skydns/test"},
{Host: "server1", Group: "", Key: "b/dom/region1/skydns/test"},
{Host: "server2", Group: "g2", Key: "a/subdom/dom/region1/skydns/test"},
},
)
if len(sx) != 2 {
t.Fatalf("Failure to group fourth set: %v", sx)
}
// Empty group on the highest level: include that one also, and the rest.
sx = Group(
[]Service{
{Host: "server1", Group: "g5", Key: "a/dom/region1/skydns/test"},
{Host: "server1", Group: "", Key: "b/dom/region1/skydns/test"},
{Host: "server2", Group: "g5", Key: "a/subdom/dom/region1/skydns/test"},
},
)
if len(sx) != 3 {
t.Fatalf("Failure to group fifth set: %v", sx)
}
// One group.
sx = Group(
[]Service{
{Host: "server1", Group: "g6", Key: "a/dom/region1/skydns/test"},
},
)
if len(sx) != 1 {
t.Fatalf("Failure to group sixth set: %v", sx)
}
// No group, once service
sx = Group(
[]Service{
{Host: "server1", Key: "a/dom/region1/skydns/test"},
},
)
if len(sx) != 1 {
t.Fatalf("Failure to group seventh set: %v", sx)
}
}
|
